Sharp QT-CD111H Service Manual page 15

X VCO
76kHz
R216
+B
AM
TAPE
J6
82
SW102-G
P
R
R351
220
Q351
S8050D
<3V>
150 47K
R352 R353 <0.7V>
C353
<0.1V>
0.022
C352
R354
(ML)
220/10
10
7
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IC2
PIN PIN
NO. VOLTAGE VOLTAGE
NO.
1 1.6V 13 1.2V (0V)
1.6V 1.9V (1.6V)
2 14
3 6V (6.3V) 15 1V (1.3V)
4 0.2V (0.7V) 16 1.7V
5 1.6V 17 1.5V (1.7V)
6 0V 18 1.5V (1.5V)
7 0V 19 0.4V (0.4V)
0V 6.1V (6.4V)
8 20
9 2.5V 21 6.1V (6.4V)
10 2.5V 22 1.6V
11 5.1V (6.6V) 23 1.6V
12 0.8V (1V) 24 1.6V
( ): AM
X-BASS
C213
R215
0.1
2.2K
C303
0.15/50
C215
0.039
(ML)
SW203-A R302
1.8K R219
3.3K
R220
R304
3.3K
SW203-B 1.8K
C304
0.15/50
C214
2.2K
0.1
Q202
Q201
2SC1815GR
2SC1815GR
R224
R223
4.7K 4.7K
C228
R225
1/50
100K
SW201-D
CD
FM AUTO
IC203
KIA7808P
SW201-C
VOLTAGE REGULATOR
11.83V
3 1
OUT IN
8V
C301 C302
2
0V
0.022
0.022
IC101
PIN
VOLTAGE
NO.
1 <0V> [3.23V]
2 <0V> [0V]
3 <0.6V> [0.6V]
<0V> [0V]
4
5 <0V> [0V]
6 <0V> [0V]
7 <0V> [0V]
8 <7.43V> [7.43V]
9 <0V> [0V]
<7.37V> [7.37V]
10
11 <0.6V> [0.6V]
12 <3.3V> [3.3V]
< >: Recording
[ ]: Play
8 9
Figure 15 SCHEMATIC DIAGRAM (4/4)
MAIN PWB-A1(1/2)
AM SIGNAL
FM SIGNAL
CD SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
C219
0.047
R221
(ML)
1K
12
2
+
C221
0.001 –
1
C223
13
VOLUME
100/10
4 11
C224
100/10
9
7
C225
220/25
3
–
+
6 10
R222
C220
5 8
1K
0.047 C222
(ML) 0.001
D201
1N4148
+B
TERMINAL PWB-A3
+B
CD
1
1
FM AUTO
2 2
AM
TAPE
+B
BATTERYS
DC12V["D"size(UM/SUM-1,
R20 or HP2)battery x 8]
+B
+B
10
– 15 –
QT-CD111H/110H
HEADPHONES PWB-A4
R227 120
R228
120
5
1
FW202
5
1
C233
1000/10
SPEAKERS
SP501
C231
0.1
(ML) 1 1
2 2
3 3
C232
0.1
(ML)
SP502
IC202
C234
PIN
NO. VOLTAGE
1000/10
1 0.1V
0V
2
C227
3 11.2V
3300/25
4 0V
5 11.3V
6 0V
7 0.1V
12V
8
9 10.4V
10 5.8V
11 0V
12 5.8V
13 10.4V
T601
POWER TRANSFOMER
SO651
AC INPUT
+B
SW601
(241-7)
MAIN
+ M601
(241-6)
M
TAPE
MOTOR
–
11 12